{"action":"Upgrade wolfssl to 5.9.0-r0 or later.","affected":[{"fixed":"5.9.0-r0","introduced":"0"}],"component":"wolfssl","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["5.9.0-r0"],"id":"tcs_01M6H8QMMYYB919STJK0974KET","modified_at":"2026-11-03T06:33:02.451240391Z","published_at":"2026-03-19T21:17:12.823Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-3549","https://security.alpinelinux.org/vuln/CVE-2026-3549"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-3549#Alpine:v3.24/wolfssl","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-3549"}],"summary":"Heap Overflow in TLS 1.3 ECH parsing. An integer underflow existed in ECH extension parsing logic when calculating a buffer length, which resulted in writing beyond the bounds of an allocated buffer."}